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22349413 = 89251117
BaseRepresentation
bin101010101000…
…0011001100101
31120001110122001
41111100121211
521210140123
62115005301
7360652432
oct125203145
946043561
1022349413
1111685499
127599831
134826908
142d7ab89
151e670ad
hex1550665

22349413 has 4 divisors (see below), whose sum is σ = 22600620. Its totient is φ = 22098208.

The previous prime is 22349323. The next prime is 22349417. The reversal of 22349413 is 31494322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14152644 + 8196769 = 3762^2 + 2863^2 .

It is a cyclic number.

It is not a de Polignac number, because 22349413 - 29 = 22348901 is a prime.

It is a super-2 number, since 2×223494132 = 998992522889138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22349417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125470 + ... + 125647.

It is an arithmetic number, because the mean of its divisors is an integer number (5650155).

Almost surely, 222349413 is an apocalyptic number.

It is an amenable number.

22349413 is a deficient number, since it is larger than the sum of its proper divisors (251207).

22349413 is an equidigital number, since it uses as much as digits as its factorization.

22349413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251206.

The product of its digits is 5184, while the sum is 28.

The square root of 22349413 is about 4727.5165785008. The cubic root of 22349413 is about 281.6795859454.

The spelling of 22349413 in words is "twenty-two million, three hundred forty-nine thousand, four hundred thirteen".

Divisors: 1 89 251117 22349413